2973798609 has 4 divisors (see below), whose sum is σ = 3965064816. Its totient is φ = 1982532404.

The previous prime is 2973798587. The next prime is 2973798631. The reversal of 2973798609 is 9068973792.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (2973798587) and next prime (2973798631).

It is a cyclic number.

It is not a de Polignac number, because 2973798609 - 2⁷ = 2973798481 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2973798689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 495633099 + ... + 495633104.

It is an arithmetic number, because the mean of its divisors is an integer number (991266204).

Almost surely, 2^2973798609 is an apocalyptic number.

It is an amenable number.

2973798609 is a deficient number, since it is larger than the sum of its proper divisors (991266207).

2973798609 is an equidigital number, since it uses as much as digits as its factorization.

2973798609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 991266206.

The product of its (nonzero) digits is 10287648, while the sum is 60.

The square root of 2973798609 is about 54532.5463278582. The cubic root of 2973798609 is about 1438.0385152524.

The spelling of 2973798609 in words is "two billion, nine hundred seventy-three million, seven hundred ninety-eight thousand, six hundred nine".